<template>
	<div class="login_bg">
		<div class="login_adv" style="background-image: url(img/login.svg);
		background-size:100% 100%;background-repeat:no-repeat;">
			<div class="login_adv__title">
				<h2>D T M I C R O</h2>
				<p>{{ $t('login.describe') }}</p>
			</div>
			<div class="login_adv__bottom">
				© {{$CONFIG.APP_NAME}} {{$CONFIG.APP_VER}}
			</div>
		</div>
		<div class="login_main">
			<div class="login_config">
				<el-button :icon="config.theme==='dark'?'el-icon-sunny':'el-icon-moon'" circle type="info" @click="configTheme"></el-button>
				<el-dropdown trigger="click" placement="bottom-end" @command="configLang">
					<el-button circle>
						<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 512 512"><path d="M478.33 433.6l-90-218a22 22 0 0 0-40.67 0l-90 218a22 22 0 1 0 40.67 16.79L316.66 406h102.67l18.33 44.39A22 22 0 0 0 458 464a22 22 0 0 0 20.32-30.4zM334.83 362L368 281.65L401.17 362z" fill="currentColor"></path><path d="M267.84 342.92a22 22 0 0 0-4.89-30.7c-.2-.15-15-11.13-36.49-34.73c39.65-53.68 62.11-114.75 71.27-143.49H330a22 22 0 0 0 0-44H214V70a22 22 0 0 0-44 0v20H54a22 22 0 0 0 0 44h197.25c-9.52 26.95-27.05 69.5-53.79 108.36c-31.41-41.68-43.08-68.65-43.17-68.87a22 22 0 0 0-40.58 17c.58 1.38 14.55 34.23 52.86 83.93c.92 1.19 1.83 2.35 2.74 3.51c-39.24 44.35-77.74 71.86-93.85 80.74a22 22 0 1 0 21.07 38.63c2.16-1.18 48.6-26.89 101.63-85.59c22.52 24.08 38 35.44 38.93 36.1a22 22 0 0 0 30.75-4.9z" fill="currentColor"></path></svg>
					</el-button>
					<template #dropdown>
						<el-dropdown-menu>
							<el-dropdown-item v-for="item in lang" :key="item.value" :command="item" :class="{'selected':config.lang===item.value}">{{item.name}}</el-dropdown-item>
						</el-dropdown-menu>
					</template>
				</el-dropdown>
			</div>
			<div class="login-form">
				<div class="login-header">
					<div class="logo">
						<img :alt="$CONFIG.APP_NAME" src="img/syslogo_blue.png">
						<label>{{$CONFIG.APP_NAME}}</label>
					</div>
				</div>
				<el-form ref="loginForm" :model="ruleForm" :rules="rules" label-width="0" size="large">
                    <el-form-item prop="model">
                        <el-select v-model="ruleForm.model" placeholder="请选择登录模式" style="width: 100%">
                            <el-option
                                v-for="item in models"
                                :key="item.v"
                                :label="item.k"
                                :value="item.v"
                            >
                            </el-option>
                        </el-select>
                    </el-form-item>
					<div v-if="ruleForm.model === 'password' || ruleForm.model === 'captcha'">
                        <el-form-item prop="username">
                            <el-input v-model="ruleForm.username" prefix-icon="el-icon-user" clearable :placeholder="$t('login.userPlaceholder')"></el-input>
                        </el-form-item>
                        <el-form-item prop="password">
                            <el-input v-model="ruleForm.password" prefix-icon="el-icon-lock" clearable show-password :placeholder="$t('login.PWPlaceholder')"></el-input>
                        </el-form-item>
                    </div>
					<div v-if="ruleForm.model === 'captcha'">
                        <el-form-item prop="code">
                            <el-input v-model="ruleForm.code" prefix-icon="el-icon-lock" clearable :placeholder="$t('login.codePlaceholder')">
                                <template #append>
                                    <div style="width: 130px;">
                                        <img class="login-code" :src="codeSrc" @click="refreshValid()" alt="验证码"/>
                                    </div>
                                </template>
                            </el-input>
                        </el-form-item>
                    </div>
					<el-form-item>
						<el-button type="primary" style="width: 100%;" :loading="islogin" @click="login">{{ $t('login.signIn') }}</el-button>
					</el-form-item>
				</el-form>
			</div>
		</div>
	</div>
</template>

<script>
	import config from "@/config";

	export default {
		data() {
			return {
				ruleForm: {
                    model: 'captcha',
					username: "dt",
					password: "dt",
					code: "",
					autologin: false
				},
                models: [
                    {k:"授权码模式",v:"authorization_code"},
                    {k:"密码模式",v:"password"},
                    {k:"验证码模式",v:"captcha"},
                    {k:"手机号码模式",v:"sms_code"},
                    {k:"身份证模式",v:"id_card"},
                ],
				userInfo: {
					userid: "",
					username: "",
                    deptId: "",
					isAdmin: "",
					roles: [
						{
							roleId: 0,
							dataScope: 0
						}
					]
				},
				islogin: false,
				isRequst: true,
				codeSrc: '',
				config: {
					lang: this.$TOOL.data.get('APP_LANG') || this.$CONFIG.LANG,
					theme: this.$TOOL.data.get('APP_THEME') || 'default'
				},
				lang: [
					{
						name: '简体中文',
						value: 'zh-cn',
					},
					{
						name: 'English',
						value: 'en',
					}
				]
			}
		},
		watch:{
			'config.theme'(val){
				document.body.setAttribute('data-theme', val)
				this.$TOOL.data.set("APP_THEME", val);
			},
			'config.lang'(val){
				this.$i18n.locale = val
				this.$TOOL.data.set("APP_LANG", val);
			}
		},
		created: function() {
			this.codeSrc = `${config.AUTH_URL}/anonymous/valid_code?t=`+ new Date().getTime()
			this.$TOOL.data.remove("CMS_ACCESS_TOKEN")
			this.$TOOL.data.remove("CMS_REFRESH_TOKEN")
			this.$TOOL.data.remove("USER_INFO")
			this.$TOOL.data.remove("MENU")
			this.$TOOL.data.remove("PERMISSIONS")
			this.$TOOL.data.remove("grid")
			this.$store.commit("clearViewTags")
			this.$store.commit("clearKeepLive")
			this.$store.commit("clearIframeList")
		},
		methods: {
            login: async function () {
                this.islogin = true
                var data = "client_id=" + this.$CONFIG.CLIENT_ID +
                    "&" + "client_secret=" + this.$CONFIG.CLIENT_SECRET +
                    "&" + "grant_type=" + this.$CONFIG.GRANT_TYPE +
                    "&" + "scope=" + this.$CONFIG.SCOP +
                    "&" + "username=" + this.ruleForm.username +
                    "&" + "password=" + this.ruleForm.password +
                    "&" + "valid_code=" + this.ruleForm.code;
                // 从Oauth2.0中获取token
                var user = await this.$API.auth.token.post(data)
                if (user.access_token !== undefined) {
                    // 存储用户基础信息
                    this.userInfo.userid = user.userid
                    this.userInfo.username = user.username
                    this.userInfo.deptId = user.deptId
                    this.userInfo.isAdmin = user.isAdmin
                    this.userInfo.roles = user.roles
                    this.$TOOL.data.set("CMS_ACCESS_TOKEN", user.access_token)
                    this.$TOOL.data.set("CMS_REFRESH_TOKEN", user.refresh_token)
                    this.$TOOL.data.set("USER_INFO", this.userInfo)
                } else {
                    this.islogin = false
                    this.$message.warning(user.message)
                    return false
                }
                //获取菜单
                let menu = await this.$API.auth.myMenus.get(this.userInfo.userid)
                if (menu.code === 2000) {
                    if (menu.data.menu.length === 0) {
                        this.islogin = false
                        this.$alert("当前用户无任何菜单权限，请联系系统管理员", "无权限访问", {
                            type: 'error',
                            center: true
                        })
                        return false
                    }
                    this.$TOOL.data.set("MENU", menu.data.menu)
                    this.$TOOL.data.set("PERMISSIONS", menu.data.permissions)
                } else {
                    this.islogin = false
                    this.$message.warning(menu.message)
                    return false
                }

                this.$router.replace({
                    path: '/'
                })
                this.$message.success("CMS MICRO 登录成功")
                this.islogin = false
            },
			// 主题切换模式
			configTheme(){
				this.config.theme = this.config.theme==='default'?'dark':'default'
			},
			// 中英文切换模式
			configLang(command){
				this.config.lang = command.value
			},
			// 刷新验证码
			refreshValid(){
				if (!this.isRequst){
					return;
				}
				this.codeSrc = `${config.AUTH_URL}/anonymous/valid_code?t=`+ new Date().getTime()
				setTimeout(() => {
					this.isRequst = true;
				}, 1000);
			}
		}
	}
</script>

<style scoped>
	.login_bg {width: 100%;height: 100%;background: #fff;display: flex;}
	.login_adv {width: 33.33333%;background-color: #555;background-size: cover;background-position: center center;background-repeat: no-repeat;position: relative;}
	.login_adv__title {color: #fff;padding: 40px;}
	.login_adv__title h2 {font-size: 40px;}
	.login_adv__title h4 {font-size: 18px;margin-top: 10px;font-weight: normal;}
	.login_adv__title p {font-size: 14px;margin-top:10px;line-height: 1.8;color: rgba(255,255,255,0.6);}
	.login_adv__title div {margin-top: 10px;display: flex;align-items: center;}
	.login_adv__title div span {margin-right: 15px;}
	.login_adv__title div i {font-size: 40px;}
	.login_adv__title div i.add {font-size: 20px;color: rgba(255,255,255,0.6);}
	.login_adv__bottom {position: absolute;left:0px;right: 0px;bottom: 0px;color: #fff;padding: 40px;background-image:linear-gradient(transparent, #000);}

	.login_main {flex: 1;overflow: auto;display:flex;}
	.login-form {width: 400px;margin: auto;padding:20px 0;}
	.login-header {margin-bottom: 20px;}
	.login-header .logo {display: flex;align-items: center;margin-bottom: 40px;}
	.login-header .logo img {width: 35px;height: 35px;vertical-align: bottom;margin-right: 10px;}
	.login-header .logo label {font-size: 24px;}
	.login-header h2 {font-size: 24px;font-weight: bold;margin-top: 50px;}
	.login-code {width: 138px;}
	.login_config {position: absolute;top:20px;right: 20px;}
	.el-dropdown-menu__item.selected {color: var(--el-color-primary);}

	@media (max-width: 1200px){
		.login-form {width: 340px;}
	}
	@media (max-width: 1000px){
		.login_main {display: block;}
		.login-form {width:100%;padding:20px 40px;}
		.login_adv {display: none;}
	}
</style>
